From d09e32764176b61c4afee9fd5e7fe04713bfa56f Mon Sep 17 00:00:00 2001
From: Jack Morgenstein <jackm@mellanox.co.il>
Date: Thu, 3 Nov 2005 14:58:33 -0800
Subject: [PATCH] [IB] mthca: check P_Key index in modify QP
Make sure that the P_Key index passed into mthca_modify_qp() is
within the device's P_Key table.
Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/infiniband/hw/mthca/mthca_qp.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 62ff091505da..8b0b93565a25 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -582,6 +582,13 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
return -EINVAL;
}
+ if ((attr_mask & IB_QP_PKEY_INDEX) &&
+ attr->pkey_index >= dev->limits.pkey_table_len) {
+ mthca_dbg(dev, "PKey index (%u) too large. max is %d\n",
+ attr->pkey_index,dev->limits.pkey_table_len-1);
+ return -EINVAL;
+ }
+
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
--
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